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level: Level 1

Questions and Answers List

level questions: Level 1

QuestionAnswer
A wave that can travel through a medium ( Solid , Liquid and gas)Mechanical Waves:
A material in which a wave travelMedium
A wave in which the disturbance is perpendicular to the direction of the wave travels.Transverse Wave
A wave in which the disturbance is parallel to the direction of the wave travelsLongitudinal Wave
The region of the longitudinal wave where the particles of the medium are closest togetherCompressions
The region of the longitudinal wave where the particles are farthest apart.Rarefactions
Sound wave , water wave and Seismic waveMechanical Waves:
IS A WAVE THAT CAN TRAVEL THROUGH EMPTY SPACE AND THROUGH MATTERELECTROMAGNETIC WAVE
Light waves radio waves Microwaves infrared waves ( fire ) ultraviolet waves ( sun) microwaves ( Cell phones use microwaves that carry sounds )ELECTROMAGNETIC WAVE
The maximum distance that a wave moves from its rest position.Amplitude
Is the distance from one point on a wave to the same point on the next wave.Wavelength
Is the number of wave length that pass by a point each second.Frequency
Measured in Hertz which is the same as 1/s.Frequency
Is the transfer of energy by a wave to the medium through which it travelsAbsorption
Is the passage of light through an objectTransmission
Is the bouncing of a wave off a surfaceReflection
Is the change in direction of a wave as it changes speed when moving from one medium to another.Refraction
The change in direction of a wave when it travels by the edge of an object or through an openingDiffraction
A new wave is formed with greater amplitude than either of the original wavesConstructive Interference
A new wave is formed with smaller amplitude than the sum of the amplitudes of the original wavesDestructive Interference
Occurs when two waves with the same wavelength travel in opposite directions and overlapStanding waves